Bulbous or bellied measure with shell thumb piece and crowned "GR" "IMPERIAL QUART" standard seal on the low-domed lid. One incised line around the galleried rim and neck; plain, flared base. Tapered S-scroll handle with stepped thumbrest; cylindrical strut and circular attachment. No other marks.
Imperial lidded measures are considered to be a Glasgow type. They rarely have a maker's mark.